Includes: 10 Inches 304 Stainless Steel Rain Shower Head and 16 Inches (40cm) Metal Wount Mount Shower Arm, Solid Brass Shower Mixer Valve(Contain Trim and rough-in valve); Free charge of replacement part, Any product quality problem can be guaranteed free of charge. The shower cartridge is permanently replaced free of charge. The pressure balance valve's cartridge monitors water pressure balance, helping to protect you from being scalded by sudden changes in hot or cold water pressure, Ten layer quality finish offers a sleek look, ensuring corrosion resistance and durability; Air energy technology offers consistent powerful rain shower even under low water pressure. Anti-Scalding cartridge and valve protect from sudden temperature change and thermal shock.